6SC7 RCA NOS 1959 (2.3/2.0ma)
6SC7=VT-105 Ken Rad used/good 1946 (1.8/1.9ma)
6SC7=VT-105 RCA used/good 1940's (1.4/1.5ma)
6SC7=VT-105 RCA used/good 1940's (1.6/1.7ma)
6V6GT Ediswan UK NOS no printing (41ma)
6V6GT GE black round plate used/good 1953 hairline crack in base (35ma)
6V6GT GE coin-base NOS 1985 (40.6ma)
6V6GT GE Delco used/good crack in base 1952 (36ma)
6V6GT Hytron black plate like new smeared printing 1947 (44ma)
6V6GT MWT Italy coated glass NOS 1940's (42ma)
6V6GT RCA branded Raytheon used/good 1962 (32.4ma)
6V6GT RCA BROWN BASE - gray coated glass - used 1951 (35ma)
6V6GT Sylvania chrome top black plate coated glass NOS 1953-1954 (43ma)
6V6GT Sylvania coated glass used/good 1953 (38.2ma)
7408=6V6GT Russian NOS branded International 1970's (46.5ma)
7408=6V6GT Sylvania branded Amperex NOS 1974 (45ma)
VT-107A=JAN-CHS-6V6GT Sylvania black plate / gray coated glass NOS mid-1940's (31ma)
